Portable circular saw



FIG. 1 is a perspective illustration viewed from above and from the right rear of a portable circular saw incorporating our new design;

FIG. 2 is a perspective illustration from above and from the right front of the portable circular saw of FIG. 1;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof; and

FIG. 7 is a top plan view thereof. 

The ornamental design for a portable circular saw, substantially as shown and described. 